Earthquake with magnitude of Md 3.0 on date 09-04-1994 and time 10:31:52 (Italy) in region 4 km NW Preci (PG)

A magnitude Md 3.0 earthquake occured in region: 4 km NW Preci (PG), on

  • 09-04-1994 08:31:52 (UTC)
  • 09-04-1994 10:31:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.91, 13.01 at 5 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Preci PG 4 724 724
Sellano PG 7 1079 1803
Visso MC 7 1107 2910
Monte Cavallo MC 9 145 3055
Ussita MC 11 444 3499
Castelsantangelo sul Nera MC 12 281 3780
Cerreto di Spoleto PG 12 1075 4855
Norcia PG 15 4957 9812
Pieve Torina MC 16 1458 11270
Fiordimonte MC 16 202 11472
Pievebovigliana MC 18 866 12338
Fiastra MC 19 559 12897
Serravalle di Chienti MC 19 1070 13967
Acquacanina MC 19 121 14088
Vallo di Nera PG 20 364 14452
Muccia MC 20 915 15367

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Foligno (57155 inhabitants)
49 Km NE of Terni (111501 inhabitants)
55 Km E of Perugia (166134 inhabitants)
63 Km W of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
92 Km NE of Viterbo (67173 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
Md 3.0
ML-VAX 2.7
1994-04-09
08:31:52
42.91 13.01 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 207599
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1994-04-09 08:31:52 ± 0.165
Latitude 42.91 ± 0.01
Longitude 13.01 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 207599

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 1801
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00267
Epicentral distance of station farthest from the epicenter (degree) 0.03748
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 207599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:15:34

ML:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 207599
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.LJU.Z. 1994-04-09T08:33:25.50 10.0 undecidable manual SN 18 0.0298 1.91 0.1
--.VOY.Z. 1994-04-09T08:33:21.00 10.0 undecidable manual SN 10 0.0286 0.52 0.4
--.KBA.Z. 1994-04-09T08:32:58.10 10.0 negative manual PN 2 0.0375 1.03 1
--.GE9.Z. 1994-04-09T08:32:47.00 10.0 undecidable manual PN 1 0.0303 0.96 0.7
--.LJU.Z. 1994-04-09T08:32:45.00 10.0 undecidable manual PN 18 0.0298 -0.29 1.1
--.CTI.Z. 1994-04-09T08:32:45.00 10.0 undecidable manual PN 343 0.0295 0.16 1.1
--.VOY.Z. 1994-04-09T08:32:44.50 10.0 undecidable manual PN 10 0.0286 1.01 0.6
--.VBY.Z. 1994-04-09T08:32:44.50 10.0 undecidable manual PN! 30 0.0274 2.8 0
--.SFI.Z. 1994-04-09T08:32:36.89 10.0 undecidable manual SN! 319 0.0117 1.12 0
--.PGD.Z. 1994-04-09T08:32:35.37 10.0 undecidable manual SN 316 0.0121 -1.36 0.2
--.RDP.Z. 1994-04-09T08:32:32.48 10.0 undecidable manual SN 190 0.0105 -0.16 0.7
--.BDI.Z. 1994-04-09T08:32:30.00 10.0 undecidable manual PN 303 0.0188 1.47 0.4
--.CRE.Z. 1994-04-09T08:32:28.44 10.0 undecidable manual SG 312 0.0094 -0.98 0.4
--.AOI.Z. 1994-04-09T08:32:20.10 10.0 undecidable manual SG 33 0.0069 -0.47 0.7
--.PGD.Z. 1994-04-09T08:32:18.21 10.0 undecidable manual PN 316 0.0121 -0.02 1.9
--.SDI.Z. 1994-04-09T08:32:18.72 10.0 undecidable manual PN 153 0.012 0.55 1.5
--.SFI.Z. 1994-04-09T08:32:18.97 10.0 undecidable manual PN 319 0.0117 1.3 0.7
--.RMP.Z. 1994-04-09T08:32:16.16 10.0 undecidable manual PN 191 0.01 0.98 1.1
--.RDP.Z. 1994-04-09T08:32:16.82 10.0 undecidable manual PN 190 0.0105 0.96 1.1
--.AQU.Z. 1994-04-09T08:32:15.90 10.0 undecidable manual SG 152 0.0056 -0.04 0.7
--.RSM.Z. 1994-04-09T08:32:15.54 10.0 positive manual PN 338 0.0098 0.71 2.8
--.ARV.Z. 1994-04-09T08:32:14.60 10.0 undecidable manual SG 355 0.0053 -0.71 0.5
--.MNS.Z. 1994-04-09T08:32:14.60 10.0 undecidable manual SG 204 0.0052 -0.3 0.7
--.CRE.Z. 1994-04-09T08:32:12.24 10.0 undecidable manual PG 312 0.0094 -1.77 0.3
--.SSO.Z. 1994-04-09T08:32:11.10 10.0 undecidable manual SG 37 0.0044 -0.35 0.7
--.ALP.Z. 1994-04-09T08:32:09.10 10.0 undecidable manual SG 107 0.0038 -0.49 0.6
--.AOI.Z. 1994-04-09T08:32:07.70 10.0 undecidable manual PG 33 0.0069 -1.2 0.8
--.ARV.Z. 1994-04-09T08:32:05.75 10.0 undecidable manual PG 355 0.0053 0.2 1.8
--.AQU.Z. 1994-04-09T08:32:05.83 10.0 undecidable manual PG 152 0.0056 -0.39 1.7
--.ASS.Z. 1994-04-09T08:32:04.00 10.0 undecidable manual SG 300 0.0027 -0.69 0.6
--.MNS.Z. 1994-04-09T08:32:04.38 10.0 undecidable manual PG 204 0.0052 -0.93 1.1
--.SSO.Z. 1994-04-09T08:32:03.00 10.0 positive manual PG 37 0.0044 -0.63 2.9
--.ALP.Z. 1994-04-09T08:32:01.70 10.0 positive manual PG 107 0.0038 -0.86 2.4
--.ASS.Z. 1994-04-09T08:31:58.58 10.0 positive manual PG 300 0.0027 -1.15 1.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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